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Bearing

SKF Single row deep groove ball bearing

Bearing

Designation

61904-2RZ

21
SKF Single row deep groove ball bearing
ParameterSymbolValue
Bored
20 mm
0.7874 in
Outer diameterD
37 mm
1.4567 in
WidthB
9 mm
0.3543 in
Reference speed
43000 r/min
Limiting speed
20000 r/min
Mass
0.038 kg
0.0838 lb
Dynamic load ratingC
6.37 kN
1.432 klbf
Static load ratingC0
3.65 kN
0.8206 klbf
Fatigue load limitPu
0.156 kN
0.0351 klbf
Inner ring outside diameterd1
25.5 mm
1.0039 in
Outer ring inside diameterD1
-
-
Inner ring recess diameterd2
-
-
Outer ring recess diameterD2
32.7 mm
1.2874 in
Chamfer dimensionr1 min.
0.3 mm
0.0118 in
Chamfer dimensionr2 min.
0.3 mm
0.0118 in
Shaft shoulder diameterda min.
22 mm
0.8661 in
Shaft shoulder diameterda max.
25.5 mm
1.0039 in
Housing shoulder diameterDa max.
35 mm
1.378 in
Fillet radiusra max.
0.3 mm
0.0118 in
Minimum load factorkr
0.02
Calculation factorf0
15

Main information

Technical and reference information about the record

Brand
SKF
Category
Bearing
Product type
Single row deep groove ball bearing

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